{"id":1940187,"uri":"rw://betamax/collections/180","name":"Advanced Swift: Generics and Protocols","description":"

The generics system and protocols are the heart of the Swift language. Learn how it all fits together in this course.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-03-15T12:30:47.603Z","updated_at":"2020-06-03T10:30:24.757Z","duration":2436,"difficulty":"advanced","content_type":"collection","platform_id":25,"language_id":16,"editor_id":17,"group_id":null,"ordinal":null,"body":null,"warnings":[],"related_content_id":null,"popularity":3884.66666666667,"labelled_as_new":false,"display_attributes":{"concepts_covered":"

This course focuses on:

Parametric Polymorphism
Protocols
Generics
Constraints
Conformance
Associated types

","intended_audience":"

This course is for developers interested in getting a deeper understanding of the Swift language. It expects you to be comfortable with the basic syntax of Swift and to have perhaps written an app or two. You should be familiar with basic types in the Swift standard library.

"},"average_rating":"4.8","rating_count":9,"professional":true,"to_param":"1940187-advanced-swift-generics-and-protocols","released_versions_data":[{"id":1940187,"url":"1940187-advanced-swift-generics-and-protocols","description":"Swift 5, iOS 12, Xcode 10"}],"groups":[{"id":335,"uri":"rw://betamax/collections/180","content_id":1940187,"ordinal":0,"name":"","description":"","created_at":"2019-03-15T12:30:47.750Z","updated_at":"2019-03-15T12:30:47.758Z","contents":[{"id":1940268,"uri":"rw://betamax/videos/2673","name":"Introduction","description":"

Generics are a key feature in Swift, which, combined with protocols, let you build clean, reusable abstractions. Let's get started!

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":true,"created_at":"2019-03-15T12:35:07.145Z","updated_at":"2020-06-03T10:30:23.963Z","duration":91,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":1,"warnings":[],"related_content_id":null,"popularity":6367.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":false,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Introduction","duration_in_time":"1:31","identifier":"2673","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2673/1cbba0f8-3b2a-4975-b5ef-81f965258b03.png","released":true,"has_materials_url":false,"permission_tags":[]},{"id":2294292,"uri":"rw://betamax/videos/2722","name":"Parametric Polymorphism","description":"

What happens when you abstract across a type? Let's take a look at a simple generic type to find out.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:14:26.358Z","updated_at":"2020-06-03T10:30:24.063Z","duration":278,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":2,"warnings":[],"related_content_id":null,"popularity":6478.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Parametric Polymorphism","duration_in_time":"4:38","identifier":"2722","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2722/d027e97e-214a-4aff-acb7-359f75d26cb6.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294312,"uri":"rw://betamax/videos/2723","name":"Generic Constraints","description":"

Let's see how you can use protocol constraints to inform the type system about the capabilities of a type.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:14:49.478Z","updated_at":"2020-06-03T01:30:16.036Z","duration":180,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":3,"warnings":[],"related_content_id":null,"popularity":4536.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Generic Constraints","duration_in_time":"3:00","identifier":"2723","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2723/b96cd331-5d75-4003-b33b-3eccb023baa5.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294358,"uri":"rw://betamax/videos/2724","name":"Associated Types","description":"

You know how to make structs, enum and classes generic. Learn how to make protocols generic using associated types.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:17:44.960Z","updated_at":"2020-06-03T06:30:17.968Z","duration":502,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":4,"warnings":[],"related_content_id":null,"popularity":4949.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Associated Types","duration_in_time":"8:22","identifier":"2724","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2724/34faaae7-74d2-40a7-8f61-f27345a9cb6b.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294375,"uri":"rw://betamax/videos/2725","name":"Challenge: Generics","description":"

It's time for a challenge! Try to use your new knowledge of associated types to build a generic protocol.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:18:10.378Z","updated_at":"2020-06-03T01:30:16.331Z","duration":264,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":5,"warnings":[],"related_content_id":null,"popularity":3196.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Challenge: Generics","duration_in_time":"4:24","identifier":"2725","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2725/8e216c63-5f2e-4dff-8246-9d04ac2eb0e2.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294392,"uri":"rw://betamax/videos/2726","name":"Associated Type Constraints","description":"

In this video, learn how you can add constraints to associated types. Now even specify them recursively.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:18:36.878Z","updated_at":"2020-06-03T01:30:16.401Z","duration":473,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":6,"warnings":[],"related_content_id":null,"popularity":2958.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Associated Type Constraints","duration_in_time":"7:53","identifier":"2726","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2726/e46e85ee-eaa7-4d6c-87f3-e3798bbc39e2.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294413,"uri":"rw://betamax/videos/2727","name":"Conditional Conformance","description":"

Find out how you can add additional API to a type depending on the capability of an associated type.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:19:02.176Z","updated_at":"2020-06-03T01:30:16.484Z","duration":295,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":7,"warnings":[],"related_content_id":null,"popularity":2356.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Conditional Conformance","duration_in_time":"4:55","identifier":"2727","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2727/846aa4cf-200a-411e-a33c-02290f752de2.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294434,"uri":"rw://betamax/videos/2728","name":"Challenge: Conditional Conformance","description":"

In this challenge, let's put your knowledge of conditional conformance into action by adding API to a type.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:19:28.451Z","updated_at":"2020-06-03T01:30:16.565Z","duration":232,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":8,"warnings":[],"related_content_id":null,"popularity":2226.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Challenge: Conditional Conformance","duration_in_time":"3:52","identifier":"2728","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2728/3e0fc62e-1918-4e93-a87b-048fb31fc376.png","released":true,"has_materials_url":true,"permission_tags":["stream-professional-videos"]},{"id":2294464,"uri":"rw://betamax/videos/2729","name":"Conclusion","description":"

Swift has one of the most powerful generic systems available that balances performance with ease of use.

","released_at":"2019-04-09T13:00:00.000Z","searchable":true,"free":false,"created_at":"2019-04-01T23:20:43.566Z","updated_at":"2020-06-03T01:30:16.644Z","duration":121,"difficulty":"advanced","content_type":"episode","platform_id":25,"language_id":16,"editor_id":17,"group_id":335,"ordinal":9,"warnings":[],"related_content_id":null,"popularity":1896.0,"labelled_as_new":false,"average_rating":null,"rating_count":0,"professional":true,"episode_title_with_course":"Advanced Swift: Generics and Protocols · Conclusion","duration_in_time":"2:01","identifier":"2729","video_banner_url":"https://files.betamax.raywenderlich.com/attachments/videos/2729/816abd70-e239-4c15-b582-fe4fe677de99.png","released":true,"has_materials_url":false,"permission_tags":["stream-professional-videos"]}]}]}

Welcome to our Learn At Home Sale!

Go from beginner to master with raywenderlich.com Professional!